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Weather in August in Koh Samui

Considering a trip to Koh Samui this August and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What is the weather like in Koh Samui in August?

Koh Samui is a region in Thailand. August in Koh Samui generally has very warm temperatures, with precipitation levels ranging from moderate to high.

Temperatures

The average maximum temperatures are very warm and range from 30°C in Bophut to 33°C in Suratthani. Nighttime temperatures generally drop to 25°C in Suratthani and 27°C in Bophut . These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Laem Set Beach with an average of 94 mm to high rainfall in Suratthani with 154 mm.

Average sunshine

Chaweng Beach enjoys a balanced 152 hours of sunlight. Ensuring it's neither too overcast nor too sunny.

To learn more about the conditions in specific areas of Koh Samui in August, check out the map below. For more details on the yearly weather, visit our Koh Samui climate page.

Where to go in Koh Samui in August

Find more information for the most popular destinations in the Koh Samui on the map below. Click on a destination dot for more detailes.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in August for the 5 most popular destinations in Koh Samui?

Chaweng Beach

In August Chaweng Beach generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 27°C and high monthly rainfall. So on average the conditions are tolerable that month.

Chaweng Beach
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
30°C 
27°C 
156 hours 
98 mm 
17 days 
30°C 
27°C 
152 hours 
107 mm 
17 days 
30°C 
27°C 
145 hours 
162 mm 
18 days 
Climate in Chaweng Beach

Lamai Beach

In August Lamai Beach generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 27°C and moderate monthly rainfall. So on average the conditions are pleasant that month.

Lamai Beach
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
30°C 
27°C 
156 hours 
92 mm 
17 days 
30°C 
27°C 
152 hours 
99 mm 
17 days 
30°C 
27°C 
145 hours 
152 mm 
18 days 
Climate in Lamai Beach

Bophut

In August Bophut generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 27°C and high monthly rainfall. So on average the conditions are tolerable that month.

Bophut
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
30°C 
27°C 
156 hours 
102 mm 
17 days 
30°C 
27°C 
152 hours 
111 mm 
17 days 
30°C 
27°C 
145 hours 
166 mm 
18 days 
Climate in Bophut

Choeng Mon Beach

In August Choeng Mon Beach generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 27°C and high monthly rainfall. So on average the conditions are tolerable that month.

Choeng Mon Beach
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
30°C 
27°C 
156 hours 
105 mm 
17 days 
30°C 
27°C 
152 hours 
113 mm 
17 days 
30°C 
27°C 
145 hours 
170 mm 
18 days 
Climate in Choeng Mon Beach

Mae Nam Beach

In August Mae Nam Beach generally has very high temperatures with maximum daytime temperatures around 30°C, minimum nighttime temperatures around 27°C and high monthly rainfall. So on average the conditions are tolerable that month.

Mae Nam Beach
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   July July
<<  
30°C 
27°C 
156 hours 
102 mm 
17 days 
30°C 
27°C 
152 hours 
111 mm 
17 days 
30°C 
27°C 
145 hours 
166 mm 
18 days 
Climate in Mae Nam Beach

Is your destination not in the list? Have a look at other destinations in Koh Samui, in Thailand.

Is August the best time to visit Koh Samui?

Given the typically tolerable weather conditions in Chaweng Beach, August might be a good time to visit Koh Samui.

On average, the best time to visit Koh Samui is in January and February with generally perfect weather in Chaweng Beach. In contrast, October and November tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Koh Samui. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to Thailand? Get detailed historical weather averages for many cities in Thailand.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.